The image shows grafts used for tree breeding in Haapastensyrja

Pinus sylvestris in Nisula Roll located at Haapastensyrja

Pinus sylvestris in Nisula roll sown March 1969 and transplanted 1970 at Haapastensyrja

Pinus sylvestris sown March 1969 and transplanted
into Nisula beds 1970 at Haapastensyrja.

The plastic house is not used in winter. It shows end venting. Located at Haapastensyrja

200 ppm

Haapastensyrja - clonal grafts of PIa - note differences

PIa was sown May 9/70 in peat which later will be lifted and stored at -5 C in fall (Sept./70). Initially stored at a temporary plastic house in Haapastensyrja

PIa was sown May 9/70 in peat which later will be lifted and
stored at -5 C in fall (Sept./70). Initially planted in a temporary plastic house in Haapastensyrja.

PIa sown May/70 in plastic house at Haapastensyrja